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BOSTON MARATHON 2025

Eric Sullivan

Bib: 29770•M

CT

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 22%
Gender (Male)
#0 / 16105
Top 34%
Division (M18-39)
#0 / 5642
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent
Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
5K· 3.11 mi
7:05/mi
22:01
↑ 97↓ 3451.5%
10K· 6.21 mi
6:41/mi
42:48
↑ 79↓ 1380.4%
15K· 9.32 mi
6:37/mi
1:03:21
↑ 67↓ 78
20K· 12.43 mi
6:46/mi
1:24:23
↑ 106↓ 860.1%
Half· 13.11 mi
6:49/mi
1:29:02
↑ 19↓ 370.5%
25K· 15.53 mi
7:03/mi
1:46:07
↑ 66↓ 880.2%
30K· 18.64 mi
7:24/mi
2:09:06
↑ 181↓ 1480.2%
20M
8:42/mi
2:20:55
↑ 64↓ 500.2%
21M
7:44/mi
2:28:39
↑ 106↓ 241.6%
35K· 21.75 mi
7:16/mi
2:34:05
↑ 17↓ 861.7%
23M
7:30/mi
2:43:28
↑ 23↓ 630.6%
24M
7:11/mi
2:50:39
↓ 821.3%
40K· 24.85 mi
7:21/mi
2:56:56
↓ 200.3%
25.2M
7:47/mi
2:59:37
↑ 13↓ 160.2%
Finish· 26.22 mi
6:45/mi
3:06:30
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:29:02
Pace6:47 /mi
2nd Half
Distance13.11 mi
Time1:37:28
Pace7:26 /mi
📊Positive Split: 9.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:40:1522:017:0522:01
7:05
-
10K
6.21 mi12:01:0242:486:5320:47
6:41
-0:24
15K
9.32 mi12:21:351:03:216:4820:33
6:37
-0:04
20K
12.43 mi12:42:371:24:236:4721:02
6:46
+0:09
Half
13.11 mi12:47:161:29:026:474:39
6:49
+0:03
25K
15.53 mi13:04:211:46:076:5017:05
7:03
+0:14
30K
18.64 mi13:27:202:09:066:5622:59
7:24
+0:21
20M
20.00 mi13:39:092:20:557:0311:49
8:42
+1:18
21M
21.00 mi13:46:532:28:397:057:44
7:44
-0:58
35K
21.75 mi13:52:192:34:057:055:26
7:16
-0:28
23M
23.00 mi14:01:422:43:287:069:23
7:30
+0:14
24M
24.00 mi14:08:532:50:397:077:11
7:11
-0:19
40K
24.85 mi14:15:102:56:567:076:17
7:21
+0:10
25.2M
25.20 mi14:17:512:59:377:082:41
7:47
+0:26
Finish
26.22 mi14:24:443:06:307:076:53
6:45
-1:02

Checkpoints & Pacing

📈Pace Line

Pace Progression

Track your pace changes throughout the race. Dot colors mark your quickest to easiest segments, relative to your own pace.

Fastest Pace

6:37 /mi

Average Pace

7:07 /mi

Slowest Pace

8:42 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:13:54

40% of race

Time at Steady Pace

1:20:59

43% of race

Time at Slower Pace

31:37

17% of race

Average Pace: 7:07 /mi

Loading chart...
Faster pace (< avg)
Steady pace (≈ avg)
Slower pace (> avg)

🎨Heatmap

Pace Heatmap

Where you sped up and eased off relative to your own pace across the race. Colors are relative to your own range, not to other runners.

Loading...
0mi6.6mi13.1mi19.7mi26.2mi
Pace:
Faster
Steady
Slower

Click or hover over segments to see details

✨Sparklines

Checkpoint Splits with Pace Trends

Overall Pace Trend

CheckpointDistanceTime of DayTimeAvg PaceSegmentPaceTrendRank
5K
3.11 mi11:40:1522:017:0522:01
7:05
#8501
10K
6.21 mi12:01:0242:486:5320:47
6:41
#7061
15K
9.32 mi12:21:351:03:216:4820:33
6:37
#6165
20K
12.43 mi12:42:371:24:236:4721:02
6:46
#5850
Half
13.11 mi12:47:161:29:026:474:39
6:49
#5880
25K
15.53 mi13:04:211:46:076:5017:05
7:03
#5989
30K
18.64 mi13:27:202:09:066:5622:59
7:24
#6147
20M
20.00 mi13:39:092:20:557:0311:49
8:42
#6683
21M
21.00 mi13:46:532:28:397:057:44
7:44
#6560
35K
21.75 mi13:52:192:34:057:055:26
7:16
#6531
23M
23.00 mi14:01:422:43:287:069:23
7:30
#6455
24M
24.00 mi14:08:532:50:397:077:11
7:11
#6369
40K
24.85 mi14:15:102:56:567:076:17
7:21
#6309
25.2M
25.20 mi14:17:512:59:377:082:41
7:47
#6265
Finish
26.22 mi14:24:443:06:307:076:53
6:45
#6128
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi8501731473144345(Top 15%)4079(Top 25%)4079(Top 72%)
10K6.21 mi3.10 mi7061+14406338+9766338+9765248(Top 18%)4869(Top 30%)4869(Top 86%)
15K9.32 mi3.11 mi6165+8965639+6995639+6994345(Top 15%)4079(Top 25%)4079(Top 72%)
20K12.43 mi3.11 mi5850+3155363+2765363+2764999(Top 18%)4615(Top 29%)4615(Top 82%)
Half13.11 mi0.68 mi5880-305388-255388-256235(Top 22%)5620(Top 35%)5620(Top 100%)
25K15.53 mi2.42 mi5989-1095448-605448-606603(Top 23%)5833(Top 36%)5833(Top 103%)
30K18.64 mi3.11 mi6147-1585545-975545-977020(Top 25%)5981(Top 37%)5981(Top 106%)
20M20.00 mi1.36 mi6683-5365946-4015946-40115001(Top 53%)9906(Top 62%)9906(Top 176%)
21M21.00 mi1.00 mi6560+1235831+1155831+1155812(Top 20%)4931(Top 31%)4931(Top 87%)
35K21.75 mi0.75 mi6531+295797+345797+346941(Top 24%)5651(Top 35%)5651(Top 100%)
23M23.00 mi1.25 mi6455+765720+775720+776571(Top 23%)5338(Top 33%)5338(Top 95%)
24M24.00 mi1.00 mi6369+865634+865634+865694(Top 20%)4719(Top 29%)4719(Top 84%)
40K24.85 mi0.85 mi6309+605572+625572+625891(Top 21%)4778(Top 30%)4778(Top 85%)
25.2M25.20 mi0.35 mi6265+445527+455527+454740(Top 17%)3938(Top 24%)3938(Top 70%)
Finish26.22 mi1.02 mi6128+1375409+1185409+1184215(Top 15%)3592(Top 22%)3592(Top 64%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 15%
×21story building
+97ft-345ft

Overall

4345

Males

4079

M18-39

4079

5K→10K

3.1 - 6.2 mi

Top 18%
×5story building
+79ft-138ft

Overall

5248

Males

4869

M18-39

4869

10K→15K

6.2 - 9.3 mi

Top 15%
×3story building
+67ft-78ft

Overall

4345

Males

4079

M18-39

4079

15K→20K

9.3 - 12.4 mi

Top 18%
×5story building
+106ft-86ft

Overall

4999

Males

4615

M18-39

4615

20K→Half

12.4 - 13.1 mi

Top 22%
×2story building
+19ft-37ft

Overall

6235

Males

5620

M18-39

5620

Half→25K

13.1 - 15.5 mi

Top 23%
×4story building
+66ft-88ft

Overall

6603

Males

5833

M18-39

5833

25K→30K

15.5 - 18.6 mi

Top 25%
×9story building
+181ft-148ft

Overall

7020

Males

5981

M18-39

5981

30K→20M

18.6 - 20.0 mi

Top 53%
×5story building
+64ft-50ft

Overall

15001

Males

9906

M18-39

9906

20M→21M

20.0 - 21.0 mi

Top 20%
×8story building
+106ft-24ft

Overall

5812

Males

4931

M18-39

4931

21M→35K

21.0 - 21.8 mi

Top 24%
×7story building
+17ft-86ft

Overall

6941

Males

5651

M18-39

5651

35K→23M

21.8 - 23.0 mi

Top 23%
×5story building
+23ft-63ft

Overall

6571

Males

5338

M18-39

5338

23M→24M

23.0 - 24.0 mi

Top 20%
×6story building
+12ft-82ft

Overall

5694

Males

4719

M18-39

4719

24M→40K

24.0 - 24.9 mi

Top 21%
×1story
+6ft-20ft

Overall

5891

Males

4778

M18-39

4778

40K→25.2M

24.9 - 25.2 mi

Top 17%
×1story
+13ft-16ft

Overall

4740

Males

3938

M18-39

3938

25.2M→Finish

25.2 - 26.2 mi

Top 15%
×2story building
+22ft-21ft

Overall

4215

Males

3592

M18-39

3592

Passing Analysis

Category:
Athletes Passed
3635
Passed By
1262
Net Change
+2373
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#8501
5K → 10K14422+1440#8501#7061
10K → 15K8960+896#7061#6165
15K → 20K33015+315#6165#5850
20K → Half1545-30#5850#5880
Half → 25K97206-109#5880#5989
25K → 30K132290-158#5989#6147
30K → 20M15551-536#6147#6683
20M → 21M14219+123#6683#6560
21M → 35K5829+29#6560#6531
35K → 23M12145+76#6531#6455
23M → 24M10519+86#6455#6369
24M → 40K8525+60#6369#6309
40K → 25.2M5410+44#6309#6265
25.2M → Finish1436+137#6265#6128
TOTALS36351262+2373
📊

Passing Visuals

Category:
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🔄Passing Circle

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🌊Position Flow

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🏃Race Lanes

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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing